甘肃早子沟金矿围岩蚀变、矿化分带及成矿期次划分
World Nonferrous Metals（2020）
Abstract
通过对甘肃省合作市早子沟金矿进行详细的野外调研,对矿区围岩蚀变、矿物分带及成矿期次进行了重新系统总结.早子沟金矿围岩蚀变强烈,硅化、黄铁矿化、毒砂化、辉锑矿化与金成矿作用关系密切.矿体深部表现为"上脉下层"二元结构.可以划为两个成矿期(表生成矿期、热液成矿期),热液成矿期从早到晚包含黄铁矿阶段、石英-黄铁矿-毒砂阶段、石英-辉锑矿-黄铁矿阶段、石英-方解石-铁白云石等4个成矿阶段.
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